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Maintenance Instructions 

H24d 

Checking and Servicing

 62 

CHECKING/SERVICING

  DANGER

To prevent accidental starting of the engine 

when servicing or adjusting the machine, 

remove the key from the ignition switch 

and disconnect the electrical plug on the 

fuel shut-off solenoid.

Engine Cooling System 

Coolant Level

  WARNING

NEVER remove the radiator pressure cap 

when the engine is hot — hot water could 

spray and cause a burn if the cap is taken 

off too soon.

Recovery Tank

Recovery (Overflow) Tank

Check the coolant level in the coolant recovery 

tank and 

maintain the coolant level between the 

FULL and LOW marks on the recovery tank.

  

When the engine is cold, the coolant level should 

be at or slightly above the 

LOW

 mark on the recov-

ery tank.

If the coolant level is low, remove the radiator cap 

and fill to the overflow port level and then fill the 

recovery tank above the 

LOW

 mark.  Use a pre-

mixed 50/50 solution of antifreeze (ethylene glycol) 

and distilled water to fill the cooling system.

IMPORTANT:

  The coolant solution of antifreeze 

and distilled water must be thoroughly pre-mixed 

before putting it in the engine (adding pure anti-

freeze into the radiator may cause damage to the 

engine by causing overheating).

Security of Air Cleaner System

NOTE:

  The following inspection is 

only an exter-

nal inspection

 and should be done without 

“dis-

turbing”

 the filtration components.

On a daily basis, visually inspect the external 

condi tion of the complete air cleaner system.  The 

following items should be inspected:

1.  Check the Donaldson Radialseal™ air cleaner 

canister for damage.  Make sure the cover is 

in place and the cover latches are secure—do 

not run the engine without the air cleaner 

cover in place and secure.

2.  Inspect the air intake hose (into the engine) for 

cracks, nicks, cuts, etc., and check the hose 

clamps for tightness.

3.  Check to make sure the air filter restriction 

gauge is in place and securely mounted on the 

air cleaner housing.

Battery

The battery comes sealed and is maintenance-

free, so the electrolyte level will not need to be 

checked or filled.

IMPORTANT:

  Make sure battery is securely 

mounted in the frame.  A loose battery may cause 

damage to the case resulting in acid leakage and 

severe damage to the machine.  A hazard may be 

created by damage to critical working parts and 

safety systems.

Summary of Contents for H24d

Page 1: ...nd Save These Instructions For Safety Read All Safety and Operation Instructions Prior to Operating Machine Beginning S N 175742 P N 2000 40 Operator s Manual Safety Assembly Operating and Maintenance...

Page 2: ...e injury to the operator or others If anything in this manual is confusing or hard to understand please contact your local authorized dealer or call our service department at 970 221 5614 for clarific...

Page 3: ...eveling 23 Measuring Deck Levelness 23 Deck Leveling Procedure 24 Preoperating Checklist 25 Operating Instructions 28 Control Identification Location and Function 28 Ignition Switch 28 Engine Throttle...

Page 4: ...ling System 62 Coolant Level 62 Security of Air Cleaner System 62 Battery 62 Cleaning the Terminals 63 Charging the Battery 63 Tire Pressure 63 Wheel Nut Torque 63 Sharpen Mower Blades 63 Drive Belts...

Page 5: ...e tractor seat POWER TAKE OFF PTO transmits engine power to run the cutter blades REAR DISCHARGE RD discharges mowed material from the back of the mower deck RIGHT HAND RH refers to the right hand sid...

Page 6: ...onents during the limited warranty period it is important to find a local authorized servicing agent of the com ponent manufacturer Any unauthor ized work done on these components during the warranty...

Page 7: ...ng Action Coolant 50 50 Pre Mix Antifreeze Water Air Cleaner Remote Mounted Donaldson RadialsealTM 5 Walker P N 5090 8 Primary 5090 7 Safety Filter ELECTRICAL SYSTEM Battery 12 Volt 350 CCA Interstate...

Page 8: ...de Drive Clutch and Brake Manual Belt Tightener Clutch and Band Brake Stops Blades within Five 5 Seconds of Disengagement TIRE SIZE Deck Caster Wheel 13 x 4 50 6 Pneumatic 6 Ply Drive 22 x 10 50 12 4...

Page 9: ...arge Belt Driven Rear Discharge Belt Driven Side Discharge Cutting Width in cm 52 132 64 163 61 155 Cutting Height in cm 1 5 to 5 3 8 to 12 7 Height Adjustment in cm 1 4 1 Increments 15 Positions Blad...

Page 10: ...SC Friction Adjustment Deck Support Arm Not Visible Deck Height Lift Chain Deck Lift Foot Pedal Raises Deck Cutting Height Release Lever Cutting Height Adjustment Tilt Up Hook Deck Tilt Up Socket Deck...

Page 11: ...View and Left Side View Left Hand Drive Wheel Adjustable Footrest Fuel Gauge Muffler Fuel Pickup Line Tailpipe Coolant Recovery Tank Fuel Tank and Cap Utility Bed Hinged for Dumping Radiator Fan Guard...

Page 12: ...Radiator Fan Radiator Cap PTO Clutch Lever Fuel Pickup Line Fuel Return Line Fuel Tank Cap Overflow Hose Fuel Tank LH Transaxle Lockout Arm Oil Fill Muffler Heat Shield Air Filter Restriction Gauge O...

Page 13: ...d by Walker Manufacturing must take full responsibility for safety The Walker Rider Lawnmower has been designed with many safety features to protect the operator from personal harm or injury However i...

Page 14: ...ed Control FSC out of NEUTRAL PARK 2 PTO Clutch ENGAGED or 3 Parking Brake DISENGAGED NOTE There is a 1 2 second time delay function on the seat switch to avoid engine power interruption when driving...

Page 15: ...the slope To maintain control immediately 1 Release the steering levers and simultane ously 2 Move the FSC to the NEUTRAL PARK position When the machine is stopped or moving slowly engage the parking...

Page 16: ...n 17 When using the tilt up deck observe the fol lowing a Do not move tractor with deck in tilt up position b Never tilt body forward with deck in tilt up position 18 In case of a clogged or plugged m...

Page 17: ...tions 7 The fuel oil injection system operates under high pressure and can penetrate the skin and result in serious injury Unqualified persons should not remove or attempt to adjust the fuel injector...

Page 18: ...12 8600 12 Warning carbon monoxide CO poisoning hazard CO emitted by a running engine can be deadly Do not operate indoors or in other enclosed areas Grease PTO shaft joints every 8 hours Location PTO...

Page 19: ...lfunction Indicator Light 3 Low Engine Oil Pressure Warning Light 4 High Engine Coolant Temperature Warning Light Location Underside of Panel Behind Operator Seat Part Number 2107 5 1 Ground drive bel...

Page 20: ...and engage parking brake before transporting or trailering with deck tilted up Location Deck Height Adjuster Part Number 2748 2 Move pin to desired height of cut Location Flex Coupler Guard in Front...

Page 21: ...e ROPS locked fully upright and use the seat belt 3 Never use the seat belt if the ROPS is not locked fully upright 4 Do not operate the machine on slopes if the ROPS is not locked fully upright 5 Do...

Page 22: ...e speed back to idle 2 Warning read Operator s Manual before operating the machine 3 Warning wear eye and ear protection when operating the machine 4 Warning read Operator s Manual before servicing or...

Page 23: ...03 kPa Tailwheel 20 PSI 137 kPa Battery Service The battery comes sealed and is maintenance free so the electrolyte level will not need to be checked or filled Battery RH Drive Tire Ref Battery Locati...

Page 24: ...sulting in acid leakage and severe damage to the machine A hazard may be created by damage to critical working parts and safety systems Install the battery in the mower as shown in Bat tery Installati...

Page 25: ...ation PTO Shaft Guard Installation Position the shaft guard as shown and mount with two 2 1 4 20 x 1 2 in bolts Attach Guard Carrier Frame Tube Sockets PTO Shaft Guard Installation Tilt Up Roller Whee...

Page 26: ...is not required for installation Coupler Installation Tool Retract Spring Loaded Quick Disconnect Ring PTO Coupler Tube PTO Coupler Installation Tool 4 Unhook lower edge of rubber debris guard and rai...

Page 27: ...4 kg this adjustment is preset at the factory Counterweight Springs Clip Onto Body With Body Tilted Up Lynch Pins Lock Deck on Support Arms Not Visible Deck Counterweight Spring Installation Deck Leve...

Page 28: ...or right front support chain clevises to level the deck 4 Measure the front to rear level of the deck using a straight edge as shown in the Deck Leveling illustration The rear measurement should be 1...

Page 29: ...MPORTANT DO NOT permit dirt or other foreign matter to enter the fuel tanks Wipe dirt from around the filler cap s before remov ing Use a clean fuel storage container and funnel F CHECK ENGINE CRANKCA...

Page 30: ...EATH MOWER DECK Refer to cleaning Grass Buildup in Mower Deck Housing on page 59 for deck tilt up and deck cleaning information DANGER Never operate cutter blades with deck in raised position because...

Page 31: ...Pin Deck Secured in TILT UP Position F CHECK MOWER BLADE CONDITION SHARPNESS AND SECURITY OF MOUNT ING The blade mounting nuts on gear driven decks should be torqued to 60 lb ft 81 N m and the blade...

Page 32: ...the key clockwise to the S position Do not hold the key in the S position longer than 10 seconds If the engine does not start return the key to the O position for at least 60 seconds before making a...

Page 33: ...ody Latch Forward Speed Control FSC Forward Speed Control FSC has two functions One is to set forward travel speed and the other is to establish the NEUTRAL PARK position When the FSC lever is moved i...

Page 34: ...lowing out of the return hose fitting Fuel Pump Primer Lever Fuel Pump Primer Lever 4 After bleeding the system tighten the return hose fitting bolt securely Steering Levers Each drive wheel is contro...

Page 35: ...positive mechanical lock similar to the PARK posi tion on an automotive automatic trans mission If the tractor is moving when the brake is engaged it will result in sudden stoppage and possible inter...

Page 36: ...during engine operation stop the engine immediately and correct the source of the problem before further engine operation IMPORTANT Continued operation of the engine with an illuminated oil pressure w...

Page 37: ...ion The hourmeter provides maintenance reminders after certain hours of operation The hourmeter screen will start flashing the reminder one hour prior to the recommended interval and will continue unt...

Page 38: ...r is not in the fully upright and locked position o Never lower the ROPS roll bar when operating in areas where there are slopes drop offs or other roll over hazards o Be aware there is no roll over p...

Page 39: ...ried out If you fail to do so your health may be affected and the risk of accident increased CAUTION Before the tractor is used the safety switch must be checked for proper function The operation of t...

Page 40: ...of the cover and loosen the hexagon nut size 13 mm situated behind it Set the armrests in the desired position 5 steps and tighten the hexagon nut Replace the cap onto the nut Refer to Figure 4 For Lu...

Page 41: ...Position of the Steering Levers Forward Position No Control Change RIGHT WHEEL STEERING LEVER LEFT WHEEL STEERING LEVER Reverse Drive Wheel Motion Position Neutral Park Position Idle Position Fast Th...

Page 42: ...y in the S position longer than 10 seconds If the engine does not start return the key to the O position for at least 60 seconds before making another starting attempt IMPORTANT DO NOT crank the engin...

Page 43: ...ion and or the FSC is out of the NEUTRAL PARK position tractor stationary or moving for ward and the operator is not in the seat The function of this switch should be checked by the op erator raising...

Page 44: ...and ground speed slow until learning the control response WARNING When moving forward DO NOT suddenly put the tractor in reverse by rapidly pulling on the steering levers especially when go ing downh...

Page 45: ...or replaced be fore operating the mower DO NOT disconnect the safety switches they are for the operator s protection IMPORTANT DO NOT engage the blade clutch when transporting the mower across drives...

Page 46: ...is due to a small amount of slippage in the hydrostatic trans missions especially when transmission fluid is warm Also engaging the parking brake is recommended when stopping or parking the machine i...

Page 47: ...adjusted from operator s seat using the deck lift pedal to assist in raising the deck while adjusting the cutting height hitch pin 1 Disengage PTO and stop tractor 2 Push down on deck lift pedal until...

Page 48: ...arm and move back to engage the step that holds the arm in the UP unlocked position 3 The mower will freewheel with the arms in the LOCKOUT position The levers must be in the highest position to compl...

Page 49: ...highest setting 5 in 127 mm for the first pass and then make a second pass cutting to the desired height Use a slow setting on the FSC for trimming operations Make sure the mower is leveled properly f...

Page 50: ...maneuver Avoid sharp turns or sudden changes in direc tion The maximum recommended slope operating angle is 15 degrees or 27 grade 60 in 16 in 15 Maximum Recommended Slope Do Not Operate on Steep Slo...

Page 51: ...ctor with the deck in the tilt up position since both the roller wheels on the back of the deck may be damaged by moving the tractor The tilt up configuration should only be used when the tractor is p...

Page 52: ...x 63 Check FSC Friction Lock x 66 Check Adjust Blade Clutch x 78 Clean Transaxle Housing x 61 Check Radiator Hoses and Clamps x 65 Change Transaxle Oil and Filter x 52 Replace Fuel Filter x 71 Replac...

Page 53: ...rent types colors of coolants Maintain proper fluid levels in the radiator and overflow tank Air Cleaner System Use only Donaldson air cleaner elements Aftermarket elements may not seal in the air cle...

Page 54: ...ck clean the area around the dipstick to keep any dirt or debris out of the engine 3 Remove the dipstick wipe off with a clean rag then reinsert the dipstick into the tube and press all the way down 4...

Page 55: ...sket con tacts the sealing surface then tighten an additional 3 4 turn 8 Reinstall the drain plug Make sure it is tight ened to 10 lb ft 14 N m 9 Remove the fill cap on the engine valve cover and fill...

Page 56: ...oil after the initial break in period of 75 100 hours Thereafter change oil every 400 hours of operation as follows 1 Thoroughly clean the exterior of the transaxle housing before servicing Remove ex...

Page 57: ...l level and add if needed Repeat procedure until trans axles operate at normal noise levels and move smoothly in forward and reverse Grease Fitting and Oil Point Lubrication Lubricate the grease fitti...

Page 58: ...rvoir Oil 20W 50 1 17 Throttle Control Cable Ends Oil 2 18 Engine Dipstick Oil 1 19 Tail Wheel Caster Fork Pivot Grease 2 20 RearAxle Pivot Grease 1 21 Rear Wheel Bearing Grease 2 Ident Lubrication No...

Page 59: ...H24d Maintenance Instructions Lubrication 55 Chassis and Deck Lubrication Points 2 1 1 2 3 4 5 6 6 5 4 3 30 29 12 7 17 28 8 26 13 19 17 20 21 19 14 16 10 8 9 7 13 15 22 18 27 27 24 23 25 11...

Page 60: ...de dust separation and automatic precleaning action Dai ly or frequent servicing of the air cleaner is not required Use the air filter restriction gauge on the air cleaner outlet to indicate when the...

Page 61: ...se gentle action to mini mize the amount of dust dislodged as the filter is removed 3 Discard the filter element if excessive air flow restriction has been indicated by the air filter restriction gaug...

Page 62: ...ty Filter Canister Outlet Tube Primary Filter Element Air Filter Element Replacement 10 Install the cover with the word TOP properly oriented to the top of the canister Give the cover a slight twist a...

Page 63: ...any indication of deposits or scal ing inside the radiator use a commercial scale remover and flush the cooling system thor oughly before adding fresh coolant Use a pre mixed 50 50 solution of antifre...

Page 64: ...t Up Latch Hitch Pin Deck Secured in TILT UP Position DANGER Do not operate the mower with deck in tilt up position Do not move the tractor with the deck in the tilt up position 6 Clean grass buildup...

Page 65: ...housing use compressed air and or a pressure washer Pay close attention to any oily dirt buildup on the transaxle housings This may be the result of an oil leak If an oil leak is noticed contact your...

Page 66: ...r must be thoroughly pre mixed before putting it in the engine adding pure anti freeze into the radiator may cause damage to the engine by causing overheating Security of Air Cleaner System NOTE The f...

Page 67: ...nect the battery terminals negative first 2 Charge the battery at 15 amps for 10 minutes DO NOT exceed 20 amps maximum recom mended charging rate Total charging time should not exceed one 1 hour 3 Rec...

Page 68: ...only the top of the cutting edge to maintain sharpness NOTE Blades can be sharpened with an electric blade sharpener conventional electric grinder or a hand file CAUTION ALWAYS wear eye protection and...

Page 69: ...ere should be no movement of either drive tire If the tire s are creeping forward or reverse refer to Adjustments for Transmission Control Step 3 Neutral Function Adjustment on page 74 Straight Ground...

Page 70: ...h the Forward Speed Control FSC and or PTO engaged or the parking brake disengaged With an operator in the seat the Forward Speed Control FSC and PTO disengaged the parking brake engaged and Oil Press...

Page 71: ...d IMPORTANT ALWAYS use genuine factory replacement parts Substitute parts CAN result in product malfunction and possible injury to the oper ator and or others Drive Belts There are five 5 individual d...

Page 72: ...ire lock pins and open Lower LH Belt Guard and PTO Belt Guard c Roll the belt off the pulley s and remove the belt Engine PTO Belt Belt Guards Open Engine Hidden for Clarity Engine PTO Belt Belt Guard...

Page 73: ...ase the idler pulley Ground Drive Belt Assembly Disengaged 2 Reverse the procedure to install the ground drive belt Ground Drive Belt Assembly Engaged Raise Idler Pulley to Relax Belt LH Transaxle Gro...

Page 74: ...will then slip off the LH spindle pulley and can be completely removed 2 Install the deck drive belt by reversing the removal procedure a Route the belt as shown on the belt routing decal located on t...

Page 75: ...and inspecting mower blades if there are any of the following conditions of wear or dam age blades should be replaced for reasons of safe ty and performance of the machine An excessive amount of the...

Page 76: ...procedure from Sharpen Mower Blades on page 63 If blades are re placed always use Walker original equip ment blades to ensure safety and optimum perfor mance The quality and performance of replace me...

Page 77: ...o one an other If they are not equal adjust accord ingly The handles may or may not be even at this point NOTE The LH steering lever is non adjust able This procedure will require adjustment of the RH...

Page 78: ...p position Tighten the jam nuts Correct FSC Lever NEUTRAL PARK Position Adjust Length of Rod to Position FSC Lever FSC Lever Position Adjustment 2 Securely block the tractor up so the drive tires are...

Page 79: ...eel on that side begins to move for ward Then counting the turns required rotate the control rod counterclockwise just until the wheel stops and then begins to move in reverse Rotate the control rod b...

Page 80: ...past the tracking adjustment nuts 5 If the machine is tracking straight throughout the speed range except at maximum speed use the following adjustment procedure a With the engine off place the FSC in...

Page 81: ...sition Pull Steering Levers Back to Check Friction Lock FSC Friction Adjustment Test Checking Friction Lock 1 Place the FSC lever in the full FORWARD position and pull both steering levers fully back...

Page 82: ...d then proceed with adjustment as follows Adjust the length of the clutch actuator link to achieve a clutch spring assembly bolt head clear ance of 1 4 in to 5 16 in 6 mm to 8 mm with the clutch engag...

Page 83: ...ds after disengag ing the clutch Use the following procedures to check and adjust clutch disengagement and brake action Step 1 Idler Pulley Maximum Travel Adjust ment Loosen the brake band adjustment...

Page 84: ...it will be neces sary to adjust the blade brake band nut to maintain these dimensions CLUTCH DISENGAGED CLUTCH ENGAGED 5 8 in to 3 4 in 16 mm to 19 mm Clutch Idler Pulley Travel Adjustment Blade Brak...

Page 85: ..._______________________________________________________________________________ ______________________________________________________________________________________________________________ _________...

Page 86: ..._______________________________________________________________________________ ______________________________________________________________________________________________________________ _________...

Page 87: ...product alterations or failure to follow the instructions contained in the Operator s Manual for operation and maintenance B The customer shall pay any charges for making service calls and or for tra...

Page 88: ...WALKERMFG CO 5925E HARMONYROAD FORTCOLLINS CO80528 970 221 5614 FORM NO 052422 PRINTED IN USA www walker com 2022 WALKER MFG CO...

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